低振幅 的英文怎麼說
中文拼音 [dīzhènfú]
低振幅
英文
low amplitude-
After the section of right side nxiits in budgerigar in the original sound wave ' s expanded time window, the higher amplitude pulse and the lower amplitude pulse exchanged alternately and also the higher amplitude is approximately as twice as the lower amplitude
虎皮鸚鵡在斷右側nxllts后,原始時間波形展開圖中出現了各脈沖振幅一高一低相間的交替更換,且高振幅脈沖的振幅約為低振幅脈沖的兩倍。As the operating point crosses over the stability boundary, the chug amplitude disappears.
當工作點越過穩定性邊界時,低頻不穩定的振幅逐漸消失。Around 40 ; the neutral curve obtained by the growth rates of the temperature fluctuation has a ringlike curve separated from the main branch of nachtsheim s calculation by velocity fluctuation at the lower grashof number side ; and its phase velocity is close to the maximum mean velocity where the critical layer of the eigenmode locates. the thermal fluctuation decays rapidly as the nondimensional frequency above 0. 4, so that it means that the coupling effect between instability wave generated by buoyancy fluctuation and velocity waves by invicid instability seems weak enough for their critical layers in the range of the nondimensional frequency
詳細研究了自然對流邊界層中最早失穩的浮力振型的功率譜波長波速與臨界層位置等基本特徵和它為主導其他振型尚未失穩時按線性理論得到的3種相互獨立振型的振幅分佈。系統地測量了它所對應的溫度和速度漲落的振幅增長規律和中性曲線,實驗結果表明,溫度漲落的中性曲線在低格拉斯霍夫grashof數This machine combines advantages of machines from home and abroad with good airproofing performance, agile turning, filtering bag can be convenient to be changed, dust removing efficiency is more than 99 5, dust discharging density is lower than national standard. filtering bag adopts ladder type flat bag structure which has simple structure, close collocation, high filtering area index, large back - blow swing and dust can be easily shaken off
該機集國內外同類產品優點於一體,密封性好回轉靈活,更換濾袋方便,除塵效率大於99 5 ,粉塵排放濃度低於國家標準濾袋採用梯形扁袋結構,結構簡單,排列緊湊,過濾面積指標高,反吹振幅大,易於抖落積塵The amplitude of the fundamental voltage drops across the filtering inductances ln are negligible as compared to the amplitude of the mains phase voltages, the voltages across cn therefore are assumed to be impressed and equal to the mains phase voltages
當基本電壓從濾波電感降低到ln時,振幅與主電源相線電壓相比可以忽略不計,因此我們可以認為通過cn處的電壓被輸送並且等於主電源相線電壓。Proved with the mixing rate using parameters tw and r ^ it showed that large amplitude and high frequency could greatly enhance the mixing rate. but at large st, the rate of attenuation appears to be in periodic fluctuation at the range of low frequency, so there must be some best partnership of amplitude and frequency
用參數t _ w 、 r _ ( 15 )表徵的混合效率表明:總的來說大振幅、高頻率有利於混合,但在st較大的低頻率區中衰減速度會有周期波動的特性,存在最佳的頻率振幅配對。Analysis software. the analysis show : the gyroscope effect to the flywheel rotor ' s and the shaft ' s vibration character under high rotate speed should be considered. at this time, the system ' s normal frequency is the function of rotate speed ; the amplitude passing through the resonance field can be lowered obviously by improving the effective damping of the electro - magnetic bearing
建立了高速旋轉狀態下,採用磁軸承作支撐的飛輪轉子和轉軸的動力學模型,給出了有限元法在此問題中的具體應用,並利用i - deas有限元分析軟體具體分析了飛輪系統的共振頻率、系統振型,以及對偏心激勵的響應,分析表明:對于高速旋轉的飛輪轉子和轉軸,應考慮陀螺效應對其動力學特性的影響,此時系統的固有頻率是轉速的函數;通過提高磁軸承的等效阻尼可顯著降低系統通過共振區域時的振幅。The proposed jtc greatly reduces the intensity and width of the strong dc component, sharpens the correlation peak, eliminates cross - correlations among each input target, and the conjugate cross - correlation between the reference and input targets at the same time. in order to calculate the discriminant probability of the objects, a simple but self - explainable statistic function was presented to show where the true object and false object occurred in the unknown input image sequence
在此基礎上,論文提出了基於位相編碼振幅調制的畸變不變多目標識別聯合變換相關技術,即通過改變隨機位相模板的調制因子的大小來改善相關輸出的性能,一步消除了共軛相關項、輸入待識別圖像之間的互相關項,並大大降低了零級相關峰的能量和寬度。Simultatly, based on the vaviaction of seismic signal - noise ratio, the anthor use the funtion singular method in the seismic data procesy and put forward the wavelet amplitude singular exponentid method and the wavelet power spectrum singular exponential for the fractued density detection
與此同時,將函數奇異性分析的思想引到地震信號處理中來,針對地震信號信噪比的高低,提出小波振幅奇異性指數法和小波功率譜奇異性指數法的裂縫密度檢測方法。This approach is called fas. this approach uses characteristics of trigonometric function, respectively computes the amplitude of fundamental component and inactive power current separates them by low pass filter and acquires and inactive power current
該方法利用三角函數的特性,對畸變電流中的基波成分和無功電流分量的振幅分別進行計算,然後經過低通濾波器把它們分離出來,最後得到基波有功和無功電流分量。2. the principle that cylinder misfire is diagnosed using torsional vibration harmonic analysis is illustrated by calculation of vectorsummation. calculation and experiment show : low harmonic will increase highly and main harmonic will decrease little when one cylinder is misfiring
通過對扭振激勵的相對振幅矢量和的模擬和實驗研究,得到結論如下:如果柴油機發生單缸熄火故障,扭振低諧次幅值會大幅度增加,主簡諧會略有下降。They range from the high amplitude, low frequency delta to the low amplitude, high frequency beta
范圍為高振幅,低頻率(德耳塔)到低振幅,高頻率(貝它) 。Impact compaction machine is a pressing machine with high impact energy and it changes vibratory compaction from high frequency low swing to high swing low frequency
摘要沖擊壓實機是具有高沖擊能量的壓實機械,它將振動壓實的高頻率低振幅改為高振幅低頻率。5. otherwise, the applicability of cube comer array in the wide spectrum high power solid - state laser facility was researched as a relatively absolute part in this paper. through simulation, the action of cube corner array to reduce beam ' s focal spot size was testified visibly, and the smoothing effect of beam ' s modulation caused by cube corner array was proved primarily on the wide spectrum condition
另外,作為一部分相對獨立的內容,本文對寬頻帶激光傳輸條件下採用角錐棱鏡陣列抑制低頻波前畸變的設想進行了探索性的研究,通過模擬模擬驗證了角錐棱鏡陣列具有抑制低頻波前畸變、提高激光焦斑能量集中度的顯著作用,並初步驗證了寬頻帶激光傳輸條件下近場振幅高頻調制的勻滑效應。This machine has many advantages listed below : simple in structure, convenient in operation, compact, large amount to be treated, low in roise, corrosion resistant, low trouble, convenient in assembling and disassembling, no deed corner in cleaning, no dust and so on
該機具有結構簡單、操勞過度作方便、體積小、處理量大、噪音低、抗腐蝕、低故障、壽命長、生產率高、振幅可調、耗能低、拆裝方便、清洗無死角、無粉塵等優點。Abstract : the recent theory and design method of the magnetoelectric induction sensor in bearing field is introduced. the author provides two sensors ' main technical performances and a new measurement method of the bearing and other wide frequency spectrum and low amplitude vibration objects
文摘:主要介紹了國內外近些年在軸承行業開發的軸承振動測量中應用的磁電感應式傳感器的原理與設計方法,並介紹了二套傳感器的主要技術指標,對軸承及其它寬頻譜低振幅振動量的測試提供了一套新的測試手段。Compared with dcsk modulation, the fm - dcsk modulation changed the chaotic signals with random magnitude into the signal with constant magnitude and random frequency, thus the systemic noise performance is achieved
將振幅隨機變化的混沌信號變為頻率隨機變化而振幅恆定的混沌fm信號,降低了系統的誤比特率。Emg is normal or may show low amplitude myopathic motor unit potentials and no signs of neuropathy
肌電圖正常或顯示低振幅肌病運動單位電位(不明白這個名詞的意思? ) ,沒有神經病變的表現。The analytic expression for the spatial bright solitions obtained under the weak light intensity agrees well with the results obtained by the numerical calculation
結果表明,在低振幅條件下空間明孤子的解析表達式與數值計算所得到的結果十分吻合。Dynamical evolution of spatial bright solitions in cogarithmically nonlinear electric media under weak amplitude condition was studied
摘要研究了對數型非線性電介質中低振幅空間明孤子的動態演化特性。分享友人